/Engine/Plugins/Runtime/AudioModulation/Source/AudioModulation/Public/SoundModulationParameter.h
Modulation Parameter that scales normalized, unitless value to logarithmic frequency unit space with standard filter min and max frequency set. Mixes by taking the minimum (i.e. aggressive) filter frequency of all active modulators.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(BlueprintType, MinimalAPI) class USoundModulationParameterLPFFrequency : public [USoundModulationParameterFilterFrequency](API\Plugins\AudioModulation\USoundModulationParameterFilterF-)